Among the hundreds of thousands of people converging on the mall today, there were some very special visitors. 15 third graders from a county outside atlanta. Their teachers helped them get sponsorship from the smithsonian. But when they couldn't afford the trip, people in the community, people they never even met, raised $16,000 to send them. How exciting is that? How big, excited, are you? This big? This big! From right there all the way down to georgia. The whole united states! Because of a good-hearted community, they were able to climb on a bus and come to see the place they had only seen in schoolbooks. What's the third thing you want to go see when we get into the city. The lincoln memorial. Shout it out. What's freedom? When you are free from another person. But freedom isn't free. He told me he read that on a monument. And on this 50 pt anniversary of martin luther king's famous speech, they know exactly what he said right here. What did he say? What did he say? He said his "i have a dream" speech. Have a dream that one day -- what kind of dream do you have? What do you want to do some day? I want to be the president. I want to be on the news. I want to be a reporter. I would like to be an astronaut and go out into space. To be president. You want to be the president, too? We have two potential presidents here. 15 children climbing the 57 steps to the lincoln memorial. Looking at him, his elegance hands, his sad eyes, is a reminder of what it is to be american. Do you think of any songs when you think of america and you think of this place? The star-spangled banner. &#9834; Oer the land of the free &#9834; &#9834; and the home of the brave &#9834; and we thank all of the people who sang along with them, right there at the lincoln memorial. And here is the big photo, there they were, all bundled up at the parade today, where the president was passing by. And I keep thinking what they told me, the next thing they'd like to do is take sasha and malia out bowling. We have so glad that you were

This transcript has been automatically generated and may not be 100% accurate.

Presidential Inauguration 2013: Celebrating Democracy and People

President Barack Obama sworn in for second term of office in public ceremony.

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